CN106948894A - Adjustable camshaft - Google Patents
Adjustable camshaft Download PDFInfo
- Publication number
- CN106948894A CN106948894A CN201611135716.8A CN201611135716A CN106948894A CN 106948894 A CN106948894 A CN 106948894A CN 201611135716 A CN201611135716 A CN 201611135716A CN 106948894 A CN106948894 A CN 106948894A
- Authority
- CN
- China
- Prior art keywords
- outer shaft
- interior axle
- groove
- annular groove
- camshaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H53/00—Cams ; Non-rotary cams; or cam-followers, e.g. rollers for gearing mechanisms
- F16H53/02—Single-track cams for single-revolution cycles; Camshafts with such cams
- F16H53/04—Adjustable cams
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/34413—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using composite camshafts, e.g. with cams being able to move relative to the camshaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L2001/0471—Assembled camshafts
- F01L2001/0473—Composite camshafts, e.g. with cams or cam sleeve being able to move relative to the inner camshaft or a cam adjusting rod
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L2001/0476—Camshaft bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
- Gears, Cams (AREA)
Abstract
The present invention relates to adjustable camshaft (1), it includes：The outer shaft (3) of interior axle (2) and coaxial arrangement；First cam (5), it is connected to the interior axle (2) in resisting torque mode；Second cam (7), it is connected to the outer shaft (3) in resisting torque mode.Herein it is important to the present invention that, the groove (12) being open towards the outer shaft (3), especially annular groove is arranged in interior axle (2)；There is provided at least one cod element (13), its one side is fixed in the groove of the outer shaft (3) (16), on the other hand it is bonded in the groove (12) of the interior axle (2).
Description
Technical field
Preamble according to claim 1, the present invention relates to a kind of adjustable camshaft, its have interior axle and with it is interior
The outer shaft of axle coaxial arrangement.The invention further relates to a kind of internal combustion engine for being equipped with this camshaft.
Background technology
Adjustable camshaft is sufficiently known, for influenceing valve control time.In by being reversed relative to outer shaft
Axle influences valve control time, wherein, the first cam is connected to interior axle in resisting torque mode, and the second cam is connected to outer shaft.Pass through
Mutually the first and second cams of regulation can shorten or extend valve opening time or valve closing time.Commonly referred phase shifter
For interior axle is reversed relative to outer shaft, the rotor of outer shaft is connected to interior axle in resisting torque mode, and the stator of outer shaft is with resisting torque
Mode is connected to outer shaft.The axially mounted of this adjustable camshaft is typically to rely on fix internal axle axial in this case
Rotor is connected to complete, wherein, the rotor of phase shifter is installed relative to the stator shaft orientation of phase shifter so that in stator shaft orientation
In the case of being fixedly attached to outer shaft, it is axially mounted via phase shifter against interior axle.But, it is axially mounted convex via phase shifter
Wheel shaft requires low tolerances, it is therefore desirable to which the high accuracy of the stator of the rotor of interior axle to phase shifter and also outer shaft to phase shifter connects
Connect.Therefore this requires higher cost generally speaking, therefore this requires higher accuracy of manufacture,.
The content of the invention
Therefore be to provide the problem of present invention concern it is a kind of for universal class adjustable camshaft improved or extremely
Few alternate embodiment, its feature in particular, in that camshaft it is interchangeable, more cost effective axially mounted.
The present invention is based on such general plotting：So that first not via interior axle being individually axially mounted on rotor and
Outer shaft is arranged on the stator of phase shifter and carrys out axially mounted adjustable camshaft, but interior axle is directly axially mounted to outer shaft
On, it is arranged on so as to open and only outer shaft can be arranged on the stator of phase shifter or only by interior axle on the rotor of phase shifter
Possibility, or outer shaft can be still arranged on to the independent position in bearing frame or valve mechanism cover, so as to reality
Now it is relevant to the overall floating mount of phase shifter.But, compensation has also been provided more in two alternatives mentioned first
The possibility of high fabrication tolerance, this is due to be not required as required so far to utilize phase shifter in the axial direction
Upper fixed interior axle and outer shaft, but only one is desired in the two axles, or neither one is desired.According to the present invention
Adjustable camshaft includes in a known manner in this case：Interior axle and the outer shaft with interior axle coaxial arrangement, and first is convex
Wheel, it is connected to interior axle, and the second cam in resisting torque mode, and it is connected to outer shaft in resisting torque mode.According to the present invention, it is
Adjustable camshaft is axially mounted in interior axle, a kind of groove is provided with now, it is towards outer shaft opening, for example, this is recessed
Groove at least at least extends an angular regions, especially annular groove with circular segmented mode, the engagement of at least one cod element
In annular groove, annular groove is also secured in the groove of outer shaft.So as to which the groove can be locally in effective anglec of rotation
Correspondingly guiding is sold or cod element in scope.In this case, for the viewpoint of manufacture, at least partial circumferential is recessed
Groove is most obvious.Interior axle is directly axially mounted on outer shaft as a result, according to the adjustable camshaft of the present invention
Can overall installation in the axial direction, such as by being only installed in via interior axle or outer shaft on phase shifter.Especially, because
This can also be by the stator (or rotor) of phase shifter relative to phase shifter rotor (or relative to stator) with ralocatable mode
Install in the axial direction.Because phase shifter generally have relatively small axial and end-play, connect camshaft during it
The possibility relevant with angular variation error to concentricity related with production block more sensitive.Blocking trend can be accumulated by floating mount
Pole influences.
In the favourable further development according to the solution of the present invention, cod element is configured to axial axis and consigned,
It is by being configured in the groove insertion outer shaft of through hole and being bonded in the groove in interior axle.It is natural herein to set two
Opposed axial pin, it is by the relevant through hole in outer shaft and is bonded in the groove of interior axle (groove/annular groove).It is this to incite somebody to action
The interior axle main advantage axially mounted relative to outer shaft is that relatively simple manufacture is axially mounted, and can be by removing
At least one axial axis is consigned and for example removes interior axle from outer shaft and cancel axially mounted possibility again.In pure theory,
Groove can be configured in interior axle completely circumferentially, but it is natural can also, groove is made only in corresponding circumferential zones
In, such as less times greater than interior axle to the angular adjustment region of outer shaft.Especially, the main advantage that last-mentioned modification is provided is interior
The small cross sections of axle weaken.
In another advantageous embodiment according to the present invention program, towards the extra annular groove structure of the slot opening of interior axle
Make to be arranged on the annular groove in axial axis, wherein, at least one cod element is configured to circlip, and it is in installment state
When be bonded in the extra annular groove of the annular groove of interior axle and outer shaft.In order to which interior axle is arranged in outer shaft, initial pressure
Contracting circlip, thus reduce size on its diameter so that when in the state being arranged in the open out annular groove of interior axle,
It can insert outer shaft together with interior axle.If circlip reaches the extra annular groove being arranged in outer shaft, thus its flick from
And engage the annular groove of outer shaft.By the cod element for being configured to circlip it is two-way be bonded in the annular groove of interior axle and
Also engage in the annular groove of outer shaft as a result, being relatively easy to install, but it is possible to realize extremely reliable relative to outer shaft
Axially mounted interior axle.This camshaft is generally taken apart by withdrawing from interior axle from outer shaft, and the circlip is not damaged during this period, although
Alternatively can also, through hole is set in the region of the inwardly open extra annular groove in outer shaft, this allows to insert
Enter instrument, thus compress circlip and taken apart with realizing.These through holes are opened only for taking circlip apart naturally, still, while convex
They are turned off to effectively prevent any oil seepage during the operation of wheel shaft.
In another advantageous embodiment according to the solution of the present invention, at least one second cam assembled by thermal,
By welding, being cohered by soldering, by sticker or being fixed on by press-fit on outer shaft.The non-limiting list is
Show there can be different possibilities at least one second cam to be fixed on outer shaft, wherein in most cases especially
Assembled using production thermal.For the purpose, at least one second cam and/or cooling outer shaft are heated.It is used as temperature-compensating
Result, realize the radially mutual compactings, and at least one second cam is fixed on outer shaft by this way of two parts
On.
Refer to the attached drawing, the further of the present invention is obtained from dependent claims, from accompanying drawing and from related brief description of the drawings
Important feature and advantage.
It should be understood that feature that is mentioned above and will hereafter explaining can not only use regulation combination in and
And can use in other combinations or be used alone, this is without departing from the scope of the present invention.
Brief description of the drawings
The preferred example embodiment of the present invention is illustrated in accompanying drawing and explained in detail in following explanation, wherein, it is identical attached
Icon note refers to same or similar or functionally same parts.
In the accompanying drawings, in every case schematically,
Fig. 1 shows the sectional view by the adjustable camshaft according to the present invention, and cod element is configured to axial direction
Bearing pin,
Fig. 2 shows view same as in figure 1, but cod element is configured to circlip,
Fig. 3 shows view same as in figure 1, but extraly has and be configured to the extra cod that axial axis is consigned
Element and phase shifter.
Embodiment
According to Fig. 1 to Fig. 3, the outer shaft of interior axle 2 and coaxial arrangement is included according to the adjustable camshaft 1 of the present invention
3.For example, this adjustable camshaft 1 can be arranged in internal combustion engine, especially arrange in the motor vehicle.In addition with known side
Formula is provided with：At least one first cam 5, it is connected to interior axle 2 via correspondence pin 6 in resisting torque mode；And at least one
Second cam 7, it is connected to outer shaft 3 in resisting torque mode.As the result that interior axle 2 is reversed relative to outer shaft 3, therefore first is convex
Wheel 5 is reversed relative to the second cam 7, and this is due to that the first cam 5 is installed in resisting torque mode using interior axle 2, but rotatable
Ground is around outer shaft 3.Completed in this case via phase shifter 8 (referring to Fig. 3) relative to the relative torsion interior axle 2 of outer shaft 3, phase shifter 8
Rotor 9 interior axle 2 is connected in resisting torque mode, the stator 10 of phase shifter 8 is connected to outer shaft 3 in resisting torque mode.
So far, the axially mounted of camshaft 1 is typically to rely on interior axle 2 being axially fixed on the rotor 9 of phase shifter 8
And outer shaft 3 is axially fixed on the stator 10 of phase shifter 8 and realized.But, this requires the higher accuracy of manufacture, therefore will
Seek higher production cost.Now according to the present invention camshaft 1 can first by interior axle 2 directly in the axial direction on 11 regularly
Whole camshaft 1 is for example installed with ralocatable mode on outer shaft 3, therefore relative to phase shifter 8, but at least interior axle 2 with
Ralocatable mode is installed relative to rotor 9, or outer shaft 3 is attached to phase shift in the axial direction with ralocatable mode (i.e. displaceable)
The stator 10 of device 8.
According to the present invention, therefore the circumferential recess 12 of the opening of outer shaft 3 is preferably directed towards, for example, annular groove is arranged on interior axle 2
On, similarly, for example, can be configured to axial axis according to Fig. 1 and Fig. 3 at least one cod element 13 consigns 14, and
According to Fig. 2, at least one cod element 13 can be configured to circlip 15, and one side circlip 15 is fixed on the groove 16 of outer shaft 3
In, another aspect circlip 15, which is bonded on, to be configured in the groove 12 of the interior axle 2 of annular groove.
If according to embodiment of Fig. 1 and Fig. 2 observations according to the adjustable camshaft 1 of the present invention, it will be seen that, axle herein
Axial axis is configured to bearing element 13 and consigns 14, and groove 16 is configured to through hole 17 so that axial axis consigns 14 by outer shaft 3
Through hole 17 is inserted and is bonded in the groove 12 of interior axle 2.Single axial axis can be only provided herein to consign 14 (referring to Fig. 1),
Such as two opposed axial axis consign 14 insertion outer shafts 3 opposed through hole 17 (groove 16) and be bonded on the recessed of interior axle 2
In groove 12.Therefore " groove 16 " should not only be interpreted as blind hole shape groove to term, and should also be appreciated that naturally as through hole.
Camshaft 1 is formed with least one axial axis and consigns 14, so that the main advantage provided is simply to install cam
Axle 1, moreover, being readily able to take apart again if desired.For the purpose, it is only necessary to from relevant groove 16 or through hole 17 withdraw to
A few axial axis consigns 14.
If observing the embodiment according to Fig. 2 camshafts 1 according to the present invention described, it can see wherein, outer shaft 3
In groove 16 be configured to towards interior axle 3 groove 12 opening extra annular groove 18, be configured to the cod of circlip 15
Element 13 is bonded in the groove 12 of interior axle 3.Therefore circlip 15 is bonded in the groove 12 of interior axle 2 and connect in installment state
Close in the annular groove 18 of outer shaft 3.It is by will be configured in interior axle 2 to install according to the type camshaft 1 of the present invention
What the cod element 13 of circlip 15 was placed in the region of groove 12 and realized, subsequent compression circlip 15 so that it can
Outer shaft 3 is inserted together with interior axle 2.If therefore circlip 15 reaches groove 16, groove 16 is the extra annular groove in outer shaft 3
18, it is flicked, so as to engage annular groove 18 and interior axle 2 is firm relative to outer shaft 3 in the axial direction on 11.
Herein, for example, assembling, being cohered by welding, by soldering, by sticker or by press-fitting by thermal
Close, can realize and at least one the second cam 7 is fixed on outer shaft 3, wherein, the fixing means is not restricted, and
It is that basis requires selection accordingly.
Using the camshaft 1 according to the present invention, therefore, it is possible to which the axial restraint of stator 10 of phase shifter 8 is connected to first
Outer shaft 3, and rotor 9 is axially movably connected to interior axle 2, or be alternatively axially movably connected to stator 10
Outer shaft 3 and the axial restraint of rotor 9 is connected to interior axle 2.Again alternatively, additionally it is possible to by stator 10 axially movably
It is connected to outer shaft 3, additionally it is possible to which rotor 9 is axially movably connected to interior axle 2, it is thus possible to float completely relative to phase shifter 8
It is dynamic that camshaft 1 is installed.In this case, for example, cylinder must be axially mounted in another way according to the camshaft 1 of the present invention
Gai Zhong.But, different from the cod method known in prior art, enabled compensation for according to the camshaft 1 of the present invention
Larger fabrication tolerance, result is can to reduce the manufacture degree of accuracy, therefore can also reduce manufacturing cost.
Claims (8)
1. a kind of adjustable camshaft (1), including：
The outer shaft (3) of interior axle (2) and coaxial arrangement,
First cam (5), it is connected to the interior axle (2) in resisting torque mode,
Second cam (7), it is connected to the outer shaft (3) in resisting torque mode, it is characterised in that
Groove (12), it is open towards the outer shaft (3), especially annular groove, is arranged in the interior axle (2),
There is provided at least one cod element (13), its one side is fixed in the groove of the outer shaft (3) (16), another
Aspect engages the groove (12) of the interior axle (2).
2. camshaft according to claim 1, it is characterised in that
The cod element (13) is configured to axial axis and consigned (14), and it is inserted by being configured to the groove (16) of through hole (17)
Enter in the outer shaft (3), and be bonded in the groove (12) of the interior axle (2).
3. camshaft according to claim 2, it is characterised in that
There is provided two are configured to axial axis and consign the cod element (13) of (14), its by being configured to groove (16) two
Individual opposed through hole (17) is inserted in the outer shaft (3), and is bonded in the groove (12) of the interior axle (2).
4. camshaft according to any one of claim 1 to 3, it is characterised in that
At least local peripheral for extending in the interior axle (2) of the groove (12) of the interior axle (2).
5. camshaft according to any one of the preceding claims, it is characterised in that
The groove (12) is configured to annular groove, is arranged on towards the extra annular groove (18) of its opening in axial axis (3),
The cod element (13) is configured to circlip (15), its be bonded in installment state the grooves of the interior axle (2)/
In the annular groove (18) of annular groove (12) and the outer shaft (3).
6. camshaft according to any one of claim 1 to 5, it is characterised in that
At least one second cam (7) is assembled by thermal, cohered or by press-fit by welding, soldering, sticker
It is fixed on the outer shaft (3).
7. camshaft according to any one of the preceding claims, it is characterised in that
Phase shifter (8) is provided with rotor (9) and stator (10), wherein,
It is connected to the outer shaft (3), the rotor (9) is axially movably connected to described stator (10) axial restraint
Interior axle (2), or
The stator (10) is axially movably connected to the outer shaft (3), is connected to described rotor (9) axial restraint
Interior axle (2), or
The stator (03) is axially movably connected to the outer shaft (3), and the rotor (9) is axially movably connected to institute
State interior axle (2).
8. a kind of internal combustion engine (4), with camshaft according to any one of claim 1 to 7 (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015224011.8A DE102015224011A1 (en) | 2015-12-02 | 2015-12-02 | Adjustable camshaft |
| DE102015224011.8 | 2015-12-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106948894A true CN106948894A (en) | 2017-07-14 |
| CN106948894B CN106948894B (en) | 2020-11-03 |
Family
ID=57286392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611135716.8A Expired - Fee Related CN106948894B (en) | 2015-12-02 | 2016-11-24 | Adjustable camshaft |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10465786B2 (en) |
| EP (1) | EP3176391A1 (en) |
| JP (1) | JP2017101661A (en) |
| CN (1) | CN106948894B (en) |
| DE (1) | DE102015224011A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109306882A (en) * | 2017-07-28 | 2019-02-05 | 马勒国际有限公司 | Rocker arrangement |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201717280D0 (en) | 2017-10-20 | 2017-12-06 | Eaton Srl | Actuation Arrangement for a valve train Assembly |
| CN110195624B (en) | 2018-02-27 | 2022-05-17 | 博格华纳公司 | Cam phaser between cam bearings |
| CN111140305B (en) | 2018-11-01 | 2024-02-02 | 博格华纳公司 | Cam phaser camshaft coupling |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3225610A (en) * | 1962-10-26 | 1965-12-28 | Porsche Kg | Cam shaft drive arrangement for internal combustion engines |
| US3357686A (en) * | 1965-02-05 | 1967-12-12 | Schokbeton Nv | Machine for shaking moulds filled with concrete |
| US20060060159A1 (en) * | 2004-09-17 | 2006-03-23 | Moretz R D | Dynamic valve timing adjustment mechanism for internal combustion engines |
| CN201934195U (en) * | 2011-02-23 | 2011-08-17 | 朱成玉 | Variable distribution gas phase control mechanism of internal combustion engine |
| US20150167506A1 (en) * | 2013-12-17 | 2015-06-18 | Hyundai Motor Company | Variable valve timing camshaft |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5235939A (en) * | 1992-11-05 | 1993-08-17 | Ford Motor Company | Automotive engine torsional pulse enhancer |
| EP1754913B2 (en) * | 2005-08-16 | 2013-05-29 | Mahle International GmbH | Adjustable camshaft |
| DE102009050779B4 (en) * | 2009-10-27 | 2016-05-04 | Hilite Germany Gmbh | Schwenkmotornockenwellenversteller with a friction disc and mounting method |
| DE102013007741A1 (en) * | 2013-05-07 | 2014-11-13 | Thyssenkrupp Presta Teccenter Ag | camshaft |
| DE102014213937A1 (en) * | 2014-07-17 | 2016-01-21 | Mahle International Gmbh | camshaft |
| DE102015224015A1 (en) * | 2015-12-02 | 2017-06-08 | Mahle International Gmbh | Adjustable camshaft |
| DE102015224014A1 (en) * | 2015-12-02 | 2017-06-08 | Mahle International Gmbh | Adjustable camshaft |
-
2015
- 2015-12-02 DE DE102015224011.8A patent/DE102015224011A1/en not_active Withdrawn
-
2016
- 2016-11-11 EP EP16198461.2A patent/EP3176391A1/en not_active Withdrawn
- 2016-11-16 JP JP2016223170A patent/JP2017101661A/en active Pending
- 2016-11-24 CN CN201611135716.8A patent/CN106948894B/en not_active Expired - Fee Related
- 2016-12-01 US US15/367,153 patent/US10465786B2/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3225610A (en) * | 1962-10-26 | 1965-12-28 | Porsche Kg | Cam shaft drive arrangement for internal combustion engines |
| US3357686A (en) * | 1965-02-05 | 1967-12-12 | Schokbeton Nv | Machine for shaking moulds filled with concrete |
| US20060060159A1 (en) * | 2004-09-17 | 2006-03-23 | Moretz R D | Dynamic valve timing adjustment mechanism for internal combustion engines |
| CN201934195U (en) * | 2011-02-23 | 2011-08-17 | 朱成玉 | Variable distribution gas phase control mechanism of internal combustion engine |
| US20150167506A1 (en) * | 2013-12-17 | 2015-06-18 | Hyundai Motor Company | Variable valve timing camshaft |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109306882A (en) * | 2017-07-28 | 2019-02-05 | 马勒国际有限公司 | Rocker arrangement |
| CN109306882B (en) * | 2017-07-28 | 2021-06-29 | 马勒国际有限公司 | Rocker arm device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017101661A (en) | 2017-06-08 |
| DE102015224011A1 (en) | 2017-06-08 |
| US20170159791A1 (en) | 2017-06-08 |
| CN106948894B (en) | 2020-11-03 |
| EP3176391A1 (en) | 2017-06-07 |
| US10465786B2 (en) | 2019-11-05 |
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